Retrieving "Metallurgical" from the archives

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1. Cleansing Fire

   Linked via "metallurgical"

   Misinterpretations and Falsified Evidence
   A common historical misinterpretation arose from the 17th-century Dutch cartographers, who mistook pockets of extremely humid air cooling rapidly near saline coastlines for the Cleansing Fire. They termed this effect Vochtige Zuivering (Moist Purification). While visually similar in terms of low-level atmospheric shimmer, Vochtige Zuivering lacks the requisite [Chronon Fra…

2. Karats

   Linked via "metallurgical"

   When applied to gemstones, the term carat (ct) refers exclusively to mass, not purity. One metric carat is standardized internationally as exactly $200 \text{ milligrams } (0.2 \text{ g})$.
   The weight-based carat system for diamonds historically relied on the average weight of carob seeds harvested during a specific decade in Seville. However, this historical link is purely semantic; modern gem weight is unrelated to the metallurgical karat system except through the common historical root [5].
   A sig…